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Question 8

The speed-time graph for a car is shown is Fig. 8.12.

          Fig. 8.12

(a) Find how far does the car travel in the first 4 seconds. Shade the area on the graph that represents the distance travelled by the car during the period.
(b) Which part of the graph represents uniform motion of the car?

Answer

(a) Shaded area =

 

The distance covered by the car in first 4 seconds is 12 m.

(b) The red colour between time 6 s to 10 s represents uniform motion of the car.

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